ДСТУ EN ISO 2560:2014 Матеріали зварювальні. Eлектроди покриті для ручного дугового зварювання нелегованих та дрібнозернистих сталей. Класифікація (EN ISO 2560:2009, IDT)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Classification

4 Symbols and requirements

4.1 Symbol for the product/process

4.2 Symbols for strength and elongation of all-weld metal

4.3 Symbol for impact properties of all-weld metal

4.4 Symbol for the chemical composition of all-weld metal

4.5 Symbol for type of electrode covering

4.6 Symbol for condition of post-weld heat-treatment of all-weld metal

4.7 Symbol for nominal electrode efficiency and type of current

4.8 Symbol for welding position

4.9 Symbol for diffusible hydrogen content of deposited metal

5 Mechanical tests

5.1 Preheating and interpass temperatures

5.2 Pass sequence

6 Chemical analysis

7 Fillet weld test

8 Rounding procedure

9 Retests

10 Technical delivery conditions

11 Examples of designation

Annex A (informative) Classification systems.

Annex B (informative) Description of types of electrode covering — Classification by yield strength and 47 J impact energy

Annex C (informative) Description of types of electrode covering — Classification by tensile strength and 27 J impact energy

Annex D (informative) Notes on diffusible hydrogen and the avoidance of cold cracking

Bibliography

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